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LM49155 Datasheet - Texas Instruments

LM49155 Uplink Noise Suppression & Downlink SNR Enhancement Analog Audio Subsystem

The LM49155 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones. The LM49155 combines a Noise Suppression microphone amplifier, a 1.35W mono class D amplifier with ALC, class AB earpiece driver with AGC, a high efficiency, stereo, ground referenc.

LM49155 Features

* 1

* 2 Noise cancellation for uplink and downlink without DSP-type artifacts, distortions or delays

* Adapting AGC on ambient noise level & downlink signal strength for earpiece

* Downlink adjustable noise-reducing high pass filter

* E2S Class D Amplifier with ALC

LM49155-etcTI.pdf

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Datasheet Details

Part number:

LM49155

Manufacturer:

Texas Instruments ↗

File Size:

779.22 KB

Description:

Uplink noise suppression & downlink snr enhancement analog audio subsystem.

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LM49155 LM49155 Uplink Noise Suppression Downlink SNR Enhancement Analog Audio Subsystem Texas Instruments

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